<!doctype html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>test</title>
        <script src="../dist/calc.js"></script>
        <script>
            console.log(calc('0.1*(0.1+0.1)'))
        </script>
    </head>
    <body>

    </body>
</html>